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Experimental researches on mass and heat transfer in new typical cross-flow rotating packed bed

化工进展 2006年第Z1期25卷 452-457页

作者： chen haihui zeng yingying gao wenshuai School of Mechanical Engineering Nanhua UniversityHengyang 421001

New typical cross-flow Rotating Packed Bed(RPB)called multi-pulverizing RPB was *** is enough void in multi-pulverizing RPB,where liquid easily flows and is repeatedly pulverized by light packing,which decreases the material consumed,lightens the weight,and compacts the *** and heat transfer property in the new type PRB were studied by two experimental *** the mass transfer model,the axial fan pumping gas press is only 100 Pa,mass transfer coefficient and volumetric mass transfer coefficient are similar to countercurrent RPB,which are an order quantity lager than that in the conventional packed *** the heat transfer experiment,the axial fan pumping gas press is only 120 Pa;volumetric heatwhich especially suits the treatment of large gas flow and lower gas pressure drop.

关键词： multi-pulverizing rotating packed bed mass transfer heat transfer

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Experimental researches on mass and heat transfer in new typical cross-flow rotating packed bed

Experimental researches on mass and heat transfer in new typ...

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2006年石油和化工行业节能技术研讨会

作者： chen haihui, zeng yingying, gao wenshuai (School of Mechanical Engineering, Nanhua University, Hengyang 421001)

＜正＞New typical cross-flow Rotating Packed Bed （RPB） called multi-pulverizing RPB was manufactured. There is enough void in multi-pulverizing RPB. where liquid easily flows and is repeatedly pulverized by light packing, which decreases the material consumed, lightens the weight, and compacts the structure. Mass and heat transfer property in the new type PRB were studied by two experimental models. In the mass transfer model, the axial fan pumping gas press is only 100 Pa, mass transfer coefficient and volumetric mass transfer coefficient are similar to countercurrent RPB, which lire an order quantity lager than that in the conventional packed tower. In the heat transfer experiment, the axial fan pumping gas press is only 120 Pa;volumetric heat transfer coefficient is from 75 kW · K-4 · m-4 to 100 kW · K-4 · m-4. A new way is put forward to enhance mass or heat transfer, which especially suits the treatment of large gas flow and lower gas pressure drop.

关键词： multi-pulverizing rotating packed bed mass transfer heat transfer

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